资 源 简 介
On a traffic intersection when you wait for signal to change from red to green, or when you are driving and crossing the green signal and you need to know how many seconds are left for green to turn to red, Traffic-Signal-Timer display the remaining time of current signal state.
This design is in two categories - Single Color and Dual Color.
Single color traffic-signal-timer are existing, selling and field proven designs and are based on Motorola/freescale micro controllers.
Dual color traffic-signal-timers are new design and are yet to be tried in field. The details here are for dual color model.
This design is basically a 3 digit display in two colors - RED and GREEN.
This is installed at a traffic intersection and display the remaining time for red/green light.
The complete designs consists of following
Micro Controller - ATMEL ATMEGA8 is a 20 pin ic with 8k program memory.
Sense RED/GREEN signal li
